02:41:16 Unable to set Cell Caching using SQLite method, reverting to memory<br />02:41:16 Create new PHPExcel object<br />02:41:16 Set properties<br />02:41:16 Add data<br />02:41:16 Hide 'Phone' and 'fax' columns<br />02:41:16 Set outline levels<br />02:41:16 Freeze panes<br />02:41:16 Rows to repeat at top<br />02:41:16 Write to Excel2007 format<br />02:41:16 File written to 06largescale-with-cellcaching-sqlite.xlsx<br />Call time to write Workbook was 0.2790 seconds<br />02:41:16 Current memory usage: 20 MB<br />02:41:16 Peak memory usage: 24 MB<br />02:41:16 Done writing file<br />File has been created in /home/autourdey/invoice/vendor/phpoffice/phpexcel/Examples<br />